Помогите,пожалуйста!

Question

Помогите,пожалуйста!

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Answer 1

3^(1/2)*9^(1/3):3^(1/6)=3^(1/2+1/3+1/3-1/6)=3^(3/6+4/6-1/6)=3^1=3 ; 7^(1/3)*343^(1/4)*7^(-1/12)=7^(1/3)*7^(1/4)* 7^(1/4)* 7^(1/4)* 7^(-1/12)= 7^(1/3+3/4-1/12)=7^(4/12+9/12-1/12)=7^1=7.